diff --git a/public/css/custom.css b/public/css/custom.css
index 4091d2a..e9d477a 100644
--- a/public/css/custom.css
+++ b/public/css/custom.css
@@ -250,20 +250,19 @@ cursor: not-allowed !important;
 }
 /* 선택된 (눌린) 버튼 */
 .vac-btn.active {
-  border: 3px solid #ff0000; /* 붉은색 테두리 적용 */
-  box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.3);
+  box-shadow: 0px 4px 15px rgba(224, 224, 224, 0.3);
   transform: scale(1.1);
 }
 .vac-btn-warning{
   color: #fff;
-  background-color: #ffab00;
-  border-color: #ffab00;
+  background-color: #ffc144;
+  border-color: #ffe605;
   box-shadow: 0 0.125rem 0.25rem 0 rgba(255, 171, 0, 0.4);
 }
 /* AM 버튼 (선택된 상태) */
 .vac-btn-warning.active {
-  background-color: #ffca2c !important;
-  color: black;
+  background-color: #ff7300 !important;
+  color: #fff;;
 }
 .vac-btn-info {
     color: #fff;
@@ -277,7 +276,7 @@ cursor: not-allowed !important;
   color: white;
 }
 /* 버튼 기본 (비활성화일 때 기본 녹색) */
-.btn-success {
+.vac-btn-success {
   font-size: 24px;
   width: 50px;
   height: 50px;
@@ -292,7 +291,7 @@ cursor: not-allowed !important;
   border: 1px solid transparent;
 }
 /* 버튼 활성화 */
-.btn-success.active {
+.vac-btn-success.active {
   background-color: #ff0000 !important;
   color: white !important;
   border: 3px solid #eb9f9f !important;
@@ -300,7 +299,8 @@ cursor: not-allowed !important;
   transform: scale(1.1);
 }
 /* 버튼 비활성화 */
-.btn-success.disabled {
+.vac-btn-success.disabled {
+  border: 3px solid #e6e4e4; /* 붉은색 테두리 적용 */
   background-color: #bbb8b8 !important;
   color: white !important;
   cursor: not-allowed !important;
@@ -351,7 +351,7 @@ cursor: not-allowed !important;
     height: 40px;
     font-size: 18px;
   }
-  .btn-success {
+  .vac-btn-success {
     font-size: 20px;
     width: 40px;
     height: 40px;
diff --git a/src/components/button/HalfDayButtons.vue b/src/components/button/HalfDayButtons.vue
index aeb2ed2..08cc241 100644
--- a/src/components/button/HalfDayButtons.vue
+++ b/src/components/button/HalfDayButtons.vue
@@ -18,7 +18,7 @@
         </button>
         <!-- 저장 버튼 -->
         <div class="save-button-container">
-            <button class="btn-success" @click="addVacationRequests"
+            <button class="vac-btn-success" @click="addVacationRequests"
                     :class="{ active: !isDisabled, disabled: isDisabled }">
                 ✔
             </button>